Stereo bony car headset

$13.91

Type: Bluetooth bone conduction headset version: bt4.1 Horn: bone conduction microphone sensitivity: 88 k3db Microphone: analog signal sensitivity: - 42 k3db Frequency response range: 50 ~ 20kHz, charging interface: support, micro 5pin Battery: Li battery, 230mah, charging time: 2h Standby time:7d